/*
 *
 * (c) Copyright Ascensio System Limited 2010-2018
 *
 * This program is freeware. You can redistribute it and/or modify it under the terms of the GNU 
 * General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html). 
 * In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that 
 * Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
 *
 * THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
 *
 * You can contact Ascensio System SIA by email at sales@onlyoffice.com
 *
 * The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display 
 * Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
 *
 * Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains 
 * relevant author attributions when distributing the software. If the display of the logo in its graphic 
 * form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE" 
 * in every copy of the program you distribute. 
 * Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
 *
*/


using System;
using System.Text;

namespace ASC.Common.Data.Sql
{
    class SqlDebugView
    {
        private readonly ISqlInstruction instruction;


        public string Sql
        {
            get { return GetSqlWithParameters(); }
        }

        public object[] Parameters
        {
            get { return instruction.GetParameters(); }
        }


        public SqlDebugView(ISqlInstruction instruction)
        {
            this.instruction = instruction;
        }

        private string GetSqlWithParameters()
        {
            var sql = instruction.ToString();
            var parameters = instruction.GetParameters();
            var sb = new StringBuilder();
            var i = 0;
            foreach (var part in sql.Split('?'))
            {
                sb.Append(part);
                if (i < parameters.Length)
                {
                    var p = parameters[i];
                    if (p == null)
                    {
                        sb.Append("null");
                    }
                    else if (p is string || p is char || p is DateTime || p is Guid)
                    {
                        sb.AppendFormat("'{0}'", p);
                    }
                    else
                    {
                        sb.Append(p);
                    }
                }
                i++;
            }
            return sb.ToString();
        }
    }
}